Initial file dump from open source releaseHEADmaster

1 files changed, 103 insertions, 0 deletions

diff --git a/drivers/sipc/sblock.h b/drivers/sipc/sblock.h
new file mode 100644
index 00000000..4d8770b0
--- /dev/null
+++ b/drivers/sipc/sblock.h
@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2012 Spreadtrum Communications Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __SBLOCK_H
+#define __SBLOCK_H
+
+/* flag for CMD/DONE msg type */
+#define SMSG_CMD_SBLOCK_INIT		0x0001
+#define SMSG_DONE_SBLOCK_INIT		0x0002
+
+/* flag for EVENT msg type */
+#define SMSG_EVENT_SBLOCK_SEND		0x0001
+#define SMSG_EVENT_SBLOCK_RELEASE	0x0002
+
+#define SBLOCK_STATE_IDLE		0
+#define SBLOCK_STATE_READY		1
+
+#define SBLOCK_BLK_STATE_DONE 		0
+#define SBLOCK_BLK_STATE_PENDING 	1
+
+struct sblock_blks {
+	uint32_t		addr; /*phy address*/
+	uint32_t		length;
+};
+
+/* ring block header */
+struct sblock_ring_header {
+	/* get|send-block info */
+	uint32_t		txblk_addr;
+	uint32_t		txblk_count;
+	uint32_t		txblk_size;
+	uint32_t		txblk_blks;
+	uint32_t		txblk_rdptr;
+	uint32_t		txblk_wrptr;
+
+	/* release|recv-block info */
+	uint32_t		rxblk_addr;
+	uint32_t		rxblk_count;
+	uint32_t		rxblk_size;
+	uint32_t		rxblk_blks;
+	uint32_t		rxblk_rdptr;
+	uint32_t		rxblk_wrptr;
+};
+
+struct sblock_header {
+	struct sblock_ring_header ring;
+	struct sblock_ring_header pool;
+};
+
+struct sblock_ring {
+	struct sblock_header	*header;
+	void			*txblk_virt; /* virt of header->txblk_addr */
+	void			*rxblk_virt; /* virt of header->rxblk_addr */
+
+	struct sblock_blks	*r_txblks;     /* virt of header->ring->txblk_blks */
+	struct sblock_blks	*r_rxblks;     /* virt of header->ring->rxblk_blks */
+	struct sblock_blks 	*p_txblks;     /* virt of header->pool->txblk_blks */
+	struct sblock_blks 	*p_rxblks;     /* virt of header->pool->rxblk_blks */
+
+	int 			*txrecord; /* record the state of every txblk */
+	int 			*rxrecord; /* record the state of every rxblk */
+        int                     yell; /* need to notify cp */
+	spinlock_t		r_txlock; /* send */
+	spinlock_t		r_rxlock; /* recv */
+	spinlock_t 		p_txlock; /* get */
+	spinlock_t 		p_rxlock; /* release */
+
+	wait_queue_head_t	getwait;
+	wait_queue_head_t	recvwait;
+};
+
+struct sblock_mgr {
+	uint8_t			dst;
+	uint8_t			channel;
+	uint32_t		state;
+
+	void			*smem_virt;
+	uint32_t		smem_addr;
+	uint32_t		smem_size;
+
+	uint32_t		txblksz;
+	uint32_t		rxblksz;
+	uint32_t		txblknum;
+	uint32_t		rxblknum;
+
+	struct sblock_ring	*ring;
+	struct task_struct	*thread;
+
+	void			(*handler)(int event, void *data);
+	void			*data;
+};
+
+#endif